The Union Public Service Commission (UPSC) has released the notification for the Combined Geo-Scientist Examination 2027, inviting applications for 127 vacancies. The posts fall under the Geological Survey of India (GSI) and the Central Ground Water Board (CGWB), covering disciplines such as geology, geophysics, chemistry and hydrogeology.

UPSC opens the application window on September 2, 2026, with the deadline set for September 22, 2026 (by 6:00 pm). Times of India and Free Press Journal both report the same overall exam structure: a Preliminary Examination of 400 marks, followed by a Main Examination of 600 marks, and a Personality Test of 200 marks, along with document verification and medical examination as part of the recruitment process.

Free Press Journal further details the examination dates and logistics, stating the Preliminary Examination is scheduled for January 10, 2027, and the Main Examination for June 19 and 20, 2027, along with information on exam centres. It also provides vacancy breakups by GSI and CGWB categories and notes that the number of vacancies is tentative and may change. Other reported angles focus more generally on the number of openings and application timeline.